/*
 * JQuery zTree exHideNodes v3.5.30
 * http://treejs.cn/
 *
 * Copyright (c) 2010 Hunter.z
 *
 * Licensed same as jquery - MIT License
 * http://www.opensource.org/licenses/mit-license.php
 *
 * email: hunter.z@263.net
 * Date: 2017-11-11
 */
(function ($) {
    //default init node of exLib
    var _initNode = function (setting, level, n, parentNode, isFirstNode, isLastNode, openFlag) {
            if (typeof n.isHidden == "string") n.isHidden = tools.eqs(n.isHidden, "true");
            n.isHidden = !!n.isHidden;
            data.initHideForExCheck(setting, n);
        },
        //add dom for check
        _beforeA = function (setting, node, html) {
        },
        //update zTreeObj, add method of exLib
        _zTreeTools = function (setting, zTreeTools) {
            zTreeTools.showNodes = function (nodes, options) {
                view.showNodes(setting, nodes, options);
            }
            zTreeTools.showNode = function (node, options) {
                if (!node) {
                    return;
                }
                view.showNodes(setting, [node], options);
            }
            zTreeTools.hideNodes = function (nodes, options) {
                view.hideNodes(setting, nodes, options);
            }
            zTreeTools.hideNode = function (node, options) {
                if (!node) {
                    return;
                }
                view.hideNodes(setting, [node], options);
            }

            var _checkNode = zTreeTools.checkNode;
            if (_checkNode) {
                zTreeTools.checkNode = function (node, checked, checkTypeFlag, callbackFlag) {
                    if (!!node && !!node.isHidden) {
                        return;
                    }
                    _checkNode.apply(zTreeTools, arguments);
                }
            }
        },
        //method of operate data
        _data = {
            initHideForExCheck: function (setting, n) {
                if (n.isHidden && setting.check && setting.check.enable) {
                    if (typeof n._nocheck == "undefined") {
                        n._nocheck = !!n.nocheck
                        n.nocheck = true;
                    }
                    n.check_Child_State = -1;
                    if (view.repairParentChkClassWithSelf) {
                        view.repairParentChkClassWithSelf(setting, n);
                    }
                }
            },
            initShowForExCheck: function (setting, n) {
                if (!n.isHidden && setting.check && setting.check.enable) {
                    if (typeof n._nocheck != "undefined") {
                        n.nocheck = n._nocheck;
                        delete n._nocheck;
                    }
                    if (view.setChkClass) {
                        var checkObj = $$(n, consts.id.CHECK, setting);
                        view.setChkClass(setting, checkObj, n);
                    }
                    if (view.repairParentChkClassWithSelf) {
                        view.repairParentChkClassWithSelf(setting, n);
                    }
                }
            }
        },
        //method of operate ztree dom
        _view = {
            clearOldFirstNode: function (setting, node) {
                var n = node.getNextNode();
                while (!!n) {
                    if (n.isFirstNode) {
                        n.isFirstNode = false;
                        view.setNodeLineIcos(setting, n);
                        break;
                    }
                    if (n.isLastNode) {
                        break;
                    }
                    n = n.getNextNode();
                }
            },
            clearOldLastNode: function (setting, node, openFlag) {
                var n = node.getPreNode();
                while (!!n) {
                    if (n.isLastNode) {
                        n.isLastNode = false;
                        if (openFlag) {
                            view.setNodeLineIcos(setting, n);
                        }
                        break;
                    }
                    if (n.isFirstNode) {
                        break;
                    }
                    n = n.getPreNode();
                }
            },
            makeDOMNodeMainBefore: function (html, setting, node) {
                html.push("<li ", (node.isHidden ? "style='display:none;' " : ""), "id='", node.tId, "' class='", consts.className.LEVEL, node.level, "' tabindex='0' hidefocus='true' treenode>");
            },
            showNode: function (setting, node, options) {
                node.isHidden = false;
                data.initShowForExCheck(setting, node);
                $$(node, setting).show();
            },
            showNodes: function (setting, nodes, options) {
                if (!nodes || nodes.length == 0) {
                    return;
                }
                var pList = {}, i, j;
                for (i = 0, j = nodes.length; i < j; i++) {
                    var n = nodes[i];
                    if (!pList[n.parentTId]) {
                        var pn = n.getParentNode();
                        pList[n.parentTId] = (pn === null) ? data.getRoot(setting) : n.getParentNode();
                    }
                    view.showNode(setting, n, options);
                }
                for (var tId in pList) {
                    var children = pList[tId][setting.data.key.children];
                    view.setFirstNodeForShow(setting, children);
                    view.setLastNodeForShow(setting, children);
                }
            },
            hideNode: function (setting, node, options) {
                node.isHidden = true;
                node.isFirstNode = false;
                node.isLastNode = false;
                data.initHideForExCheck(setting, node);
                view.cancelPreSelectedNode(setting, node);
                $$(node, setting).hide();
            },
            hideNodes: function (setting, nodes, options) {
                if (!nodes || nodes.length == 0) {
                    return;
                }
                var pList = {}, i, j;
                for (i = 0, j = nodes.length; i < j; i++) {
                    var n = nodes[i];
                    if ((n.isFirstNode || n.isLastNode) && !pList[n.parentTId]) {
                        var pn = n.getParentNode();
                        pList[n.parentTId] = (pn === null) ? data.getRoot(setting) : n.getParentNode();
                    }
                    view.hideNode(setting, n, options);
                }
                for (var tId in pList) {
                    var children = pList[tId][setting.data.key.children];
                    view.setFirstNodeForHide(setting, children);
                    view.setLastNodeForHide(setting, children);
                }
            },
            setFirstNode: function (setting, parentNode) {
                var childKey = setting.data.key.children, childLength = parentNode[childKey].length;
                if (childLength > 0 && !parentNode[childKey][0].isHidden) {
                    parentNode[childKey][0].isFirstNode = true;
                } else if (childLength > 0) {
                    view.setFirstNodeForHide(setting, parentNode[childKey]);
                }
            },
            setLastNode: function (setting, parentNode) {
                var childKey = setting.data.key.children, childLength = parentNode[childKey].length;
                if (childLength > 0 && !parentNode[childKey][0].isHidden) {
                    parentNode[childKey][childLength - 1].isLastNode = true;
                } else if (childLength > 0) {
                    view.setLastNodeForHide(setting, parentNode[childKey]);
                }
            },
            setFirstNodeForHide: function (setting, nodes) {
                var n, i, j;
                for (i = 0, j = nodes.length; i < j; i++) {
                    n = nodes[i];
                    if (n.isFirstNode) {
                        break;
                    }
                    if (!n.isHidden && !n.isFirstNode) {
                        n.isFirstNode = true;
                        view.setNodeLineIcos(setting, n);
                        break;
                    } else {
                        n = null;
                    }
                }
                return n;
            },
            setFirstNodeForShow: function (setting, nodes) {
                var n, i, j, first, old;
                for (i = 0, j = nodes.length; i < j; i++) {
                    n = nodes[i];
                    if (!first && !n.isHidden && n.isFirstNode) {
                        first = n;
                        break;
                    } else if (!first && !n.isHidden && !n.isFirstNode) {
                        n.isFirstNode = true;
                        first = n;
                        view.setNodeLineIcos(setting, n);
                    } else if (first && n.isFirstNode) {
                        n.isFirstNode = false;
                        old = n;
                        view.setNodeLineIcos(setting, n);
                        break;
                    } else {
                        n = null;
                    }
                }
                return {"new": first, "old": old};
            },
            setLastNodeForHide: function (setting, nodes) {
                var n, i;
                for (i = nodes.length - 1; i >= 0; i--) {
                    n = nodes[i];
                    if (n.isLastNode) {
                        break;
                    }
                    if (!n.isHidden && !n.isLastNode) {
                        n.isLastNode = true;
                        view.setNodeLineIcos(setting, n);
                        break;
                    } else {
                        n = null;
                    }
                }
                return n;
            },
            setLastNodeForShow: function (setting, nodes) {
                var n, i, j, last, old;
                for (i = nodes.length - 1; i >= 0; i--) {
                    n = nodes[i];
                    if (!last && !n.isHidden && n.isLastNode) {
                        last = n;
                        break;
                    } else if (!last && !n.isHidden && !n.isLastNode) {
                        n.isLastNode = true;
                        last = n;
                        view.setNodeLineIcos(setting, n);
                    } else if (last && n.isLastNode) {
                        n.isLastNode = false;
                        old = n;
                        view.setNodeLineIcos(setting, n);
                        break;
                    } else {
                        n = null;
                    }
                }
                return {"new": last, "old": old};
            }
        },

        _z = {
            view: _view,
            data: _data
        };
    $.extend(true, $.fn.zTree._z, _z);

    var zt = $.fn.zTree,
        tools = zt._z.tools,
        consts = zt.consts,
        view = zt._z.view,
        data = zt._z.data,
        event = zt._z.event,
        $$ = tools.$;

    data.addInitNode(_initNode);
    data.addBeforeA(_beforeA);
    data.addZTreeTools(_zTreeTools);

//	Override method in core
    var _dInitNode = data.initNode;
    data.initNode = function (setting, level, node, parentNode, isFirstNode, isLastNode, openFlag) {
        var tmpPNode = (parentNode) ? parentNode : data.getRoot(setting),
            children = tmpPNode[setting.data.key.children];
        data.tmpHideFirstNode = view.setFirstNodeForHide(setting, children);
        data.tmpHideLastNode = view.setLastNodeForHide(setting, children);
        if (openFlag) {
            view.setNodeLineIcos(setting, data.tmpHideFirstNode);
            view.setNodeLineIcos(setting, data.tmpHideLastNode);
        }
        isFirstNode = (data.tmpHideFirstNode === node);
        isLastNode = (data.tmpHideLastNode === node);
        if (_dInitNode) _dInitNode.apply(data, arguments);
        if (openFlag && isLastNode) {
            view.clearOldLastNode(setting, node, openFlag);
        }
    };

    var _makeChkFlag = data.makeChkFlag;
    if (!!_makeChkFlag) {
        data.makeChkFlag = function (setting, node) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _makeChkFlag.apply(data, arguments);
        }
    }

    var _getTreeCheckedNodes = data.getTreeCheckedNodes;
    if (!!_getTreeCheckedNodes) {
        data.getTreeCheckedNodes = function (setting, nodes, checked, results) {
            if (!!nodes && nodes.length > 0) {
                var p = nodes[0].getParentNode();
                if (!!p && !!p.isHidden) {
                    return [];
                }
            }
            return _getTreeCheckedNodes.apply(data, arguments);
        }
    }

    var _getTreeChangeCheckedNodes = data.getTreeChangeCheckedNodes;
    if (!!_getTreeChangeCheckedNodes) {
        data.getTreeChangeCheckedNodes = function (setting, nodes, results) {
            if (!!nodes && nodes.length > 0) {
                var p = nodes[0].getParentNode();
                if (!!p && !!p.isHidden) {
                    return [];
                }
            }
            return _getTreeChangeCheckedNodes.apply(data, arguments);
        }
    }

    var _expandCollapseSonNode = view.expandCollapseSonNode;
    if (!!_expandCollapseSonNode) {
        view.expandCollapseSonNode = function (setting, node, expandFlag, animateFlag, callback) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _expandCollapseSonNode.apply(view, arguments);
        }
    }

    var _setSonNodeCheckBox = view.setSonNodeCheckBox;
    if (!!_setSonNodeCheckBox) {
        view.setSonNodeCheckBox = function (setting, node, value, srcNode) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _setSonNodeCheckBox.apply(view, arguments);
        }
    }

    var _repairParentChkClassWithSelf = view.repairParentChkClassWithSelf;
    if (!!_repairParentChkClassWithSelf) {
        view.repairParentChkClassWithSelf = function (setting, node) {
            if (!!node && !!node.isHidden) {
                return;
            }
            _repairParentChkClassWithSelf.apply(view, arguments);
        }
    }
})(jQuery);